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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Employer Contributions)) - Pension Plan - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
United States        
Defined Benefit Plan Disclosure        
Employer Contributions $ 0 $ 0 $ 0 $ 0
Expected future employer contributions 0   0  
Foreign Plan        
Defined Benefit Plan Disclosure        
Employer Contributions 3 $ 3 9 $ 9
Expected future employer contributions $ 13   $ 13